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23,653
RESULTS

Media Type
22,456
texts
496
images
324
audio
315
movies
60
concerts
2
data
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Topics & Subjects
10,530
ERIC Archive
5,394
NASA Technical Reports Server (NTRS)
3,471
DTIC Archive
1,949
Higher Education
1,336
Elementary Secondary Education
1,020
Program Evaluation
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Collection
10,530
Education Resources Information Center (ERIC) Archive
5,394
NASA Network Resource and Training Site
3,471
Defense Technical Information Archive
827
American Libraries
496
NASA Images
491
NASA Technical Documents
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Creator
10,530
eric
5,394
nasa technical reports server (ntrs)
3,471
defense technical information center
312
lee enterprises
241
ukrainian national association, inc.
149
nasa
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Language
22,295
English
241
Ukrainian
50
Korean
27
Dutch
27
Thai
24
Spanish
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